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#Mon Aug 09 11:42:17 CEST 2010
Text__X2cjEKOaEd-WfYQ0GneCwQ_title=The image of the sky is permanently changing
Text__X2cjEKOaEd-WfYQ0GneCwQ_text=If a lens moves relative to a source the image of the source changes permanently. <p></p>In the lower part of this animation a point-like heavy mass  is coming from the left and moves across a source to the right. <p></p>In the upper part, one can follow the lensed image.